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Finding the Third Proportional to 65,162,037 and 128,679,306

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Solution

The third proportional to 65,162,037 and 128,679,306 is: 254,110,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,162,037 : 128,679,306 = 128,679,306 : x
  2. Step 2: Convert to fraction form
    65,162,037/128,679,306 = 128,679,306/x
  3. Step 3: Cross multiply
    65,162,037x = 128,679,306 × 128,679,306
  4. Step 4: Simplify right side
    65,162,037x = 16,558,363,792,641,636
  5. Step 5: Solve for x
    x = 16,558,363,792,641,636/65,162,037
  6. Step 6: Final answer
    x = 254,110,591.92

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.